ISLAMABAD: Pakistan's probe into its secret nuclear programme has revealed limited approval of cooperation with Iran by former military ruler Zia-ul-Haq while the fate of its father of atomic bomb Dr A Q Khan hangs in balance. The investigation of nuclear scientists, currently being grilled to determine allegations of proliferation of nuclear technology to Iran, pointed out that at least two Pakistani scientists acted inappropriately and exchanged information with Iran beyond the limit authorised to them by the government in late 1980s, the News daily reported on Saturday. It said one of them could be booked for violating Official Secrets...